ext4: fix ext4_da_write_begin error path

ext4_da_write_begin needs to call journal_stop before returning,
if the page allocation fails.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Acked-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 5 insertions, 2 deletions

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index efe8caa3811c..37f834bc7cd6 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2280,8 +2280,11 @@ retry:
         }
 
         page = __grab_cache_page(mapping, index);
-        if (!page)
-                return -ENOMEM;
+        if (!page) {
+                ext4_journal_stop(handle);
+                ret = -ENOMEM;
+                goto out;
+        }
         *pagep = page;
 
         ret = block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,